What are the best ways for scientific way of gathering information

Which quantities decrease as the distance between a planet and the sun increases? check all that apply.

“[the city’s engineers excelled in areas] neglected by the greeks, such as the construction of roads and aqueducts, and of sewers that could wash the filth of the city into the tiber. they have built paved roads throughout the country, leveling ridges and filling up hollows, so as to make possible the movements of heavily loaded wagons. . and such is the quantity of water brought in by the aqueducts, that veritable rivers flow through the city and its sewers: almost every house has cisterns, waterpipes, and copious fountains.” —strabo, as quoted in empires ascendant: time frame 400 b.c.–a.d. 200 cisterns are tanks that hold water until it is needed; if a house has a cistern, it is likely to also have a. aqueducts. c. a swimming pool. b. a fish pond. d. sinks and faucets.

If someone can me out with this that would be grate why did people begin migrating to the northwest in the 1930s? the dust bowl forced people to move. the drought forced people to move. people moved in search of work. all of the above. what caused the united states to enter world war ii? the attack on pearl harbor the need for war supplies great britain asked the united states to join. the united states didn't join world war ii. why were japanese americans relocated during the war? they had deadly diseases. they were threatening to destroy american companies. people thought they might give aid to japan. they were breaking laws. what finally ended world war ii? japan bombed pearl harbor. ammunition ran low and the germans surrendered. the united states pulled its troops out. the united states bombed japan.